名前空間
変種
操作

std::wcstoul, std::wcstoull

提供: cppreference.com
< cpp‎ | string‎ | wide

 
 
ストリングスライブラリ
NULLで終わる文字列
Original:
Null-terminated strings
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バイト文字列
文字列をマルチバイト
ワイド文字列
クラス
Original:
Classes
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basic_string
char_traits
 
nullで終了するワイド文字列
機能します
Original:
Functions
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文字操作
Original:
Character manipulation
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数値形式への変換
Original:
Conversions to numeric formats
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wcstol
wcstoll
wcstoul
wcstoull
文字列操作
Original:
String manipulation
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配列操作
Original:
Array manipulation
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wmemcpy
wmemmove
wmemcmp
wmemchr
wmemset
 
Defined in header <cwchar>
unsigned long      wcstoul( const wchar_t* str, wchar_t** str_end, int base );
unsigned long long wcstoull( const wchar_t* str, wchar_t** str_end, int base );
(C++11およびそれ以降)
strが指すワイド文字列の符号なし整数値を解釈.
Original:
Interprets an unsigned integer value in a wide string pointed to by str.
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Function discards any whitespace characters until first non-whitespace character is found. Then it takes as many characters as possible to form a valid base-n (where n=base) unsigned integer number representation and converts them to an integer value. The valid unsigned integer value consists of the following parts: None

  • (オプション) prefix (0) indicating octal base (applies only when the base is 8)
  • (オプション) prefix (0x or 0X) indicating hexadecimal base (applies only when the base is 16)
  • a sequence of digits

The set of valid digits for base-2 integer is 01, for base-3 integer is 012, and so on. For bases larger than 10, valid digits include alphabetic characters, starting from Aa for base-11 integer, to Zz for base-36 integer. The case of the characters is ignored.

関数は、最後の文字の解釈ワイド文字を指すようにstr_endが指すポインタを設定します。 str_endNULLである場合、それは無視されます.
Original:
The functions sets the pointer pointed to by str_end to point to the wide character past the last character interpreted. If str_end is NULL, it is ignored.
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目次

[編集] パラメータ

str -
解釈されるnullで終了するワイド文字列へのポインタ
Original:
pointer to the null-terminated wide string to be interpreted
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str_end -
ワイド文字へのポインタへのポインタ..
Original:
pointer to a pointer to a wide character.
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base -
解釈された整数値のベース
Original:
base of the interpreted integer value
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[編集] 値を返します

成功した場合にstrの内容に対応する整数値。変換された値が対応する戻り値の型の範囲から外れた場合、範囲エラーが発生し、ULONG_MAXまたはULLONG_MAX返されます。変換を実行できなかった場合は、0が返されます。.
Original:
Integer value corresponding to the contents of str on success. If the converted value falls out of range of corresponding return type, range error occurs and ULONG_MAX or ULLONG_MAX is returned. If no conversion can be performed, 0 is returned.
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[編集]

[編集] も参照してください

整数値にワイド文字列に変換します
Original:
converts a wide string to an integer value
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(関数) [edit]
C documentation for wcstoul, wcstoull